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A METHOD OF MEASURING THERMAL CONDUCTIVITY AT FURNACE TEMPERATURES *
Author(s) -
WEINLAND CLARENCE E.
Publication year - 1934
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1934.tb19305.x
Subject(s) - brick , materials science , thermal conductivity , composite material , heat flow , refractory (planetary science) , metre , calibration , thermocouple , resistor , thermal , cross section (physics) , metallurgy , mineralogy , thermodynamics , electrical engineering , chemistry , engineering , mathematics , statistics , physics , quantum mechanics , astronomy , voltage
An apparatus of original design for the measurement of the thermal conductivities of insulating and refractory materials at temperatures up to 2600°F was constructed. The primary heat was supplied by Globar resistors, and the rate of heat flow measured by a calibrated “heat‐meter,” means for the calibration of which were incorporated in the apparatus itself. The test specimen consisted of eight standard‐size brick forming a section 18 by 18 by 2 1/2 inches in size. The results of six complete tests are given: one of a high‐temperature insulating brick, one of a fireclay brick, and four tests of refractory insulating brick. In two cases, comparative results from tests in a different type of apparatus are shown. The accuracy of the results obtained in testing insulating and refractory insulating brick is believed to be fully equal to the requirements of engineering use.